Sign.



' j/z' 4 WMAZW/E mm W. BORGMANN. SIGN.

APPLICATION FILED MAR.23, 1906.

(I F, *s/

PATENTED OCT 30, 1906.

7 UNITED STATES PATENT OFFICE.

WILHELM BORGMANN, OF DUSSELDORF, GERMANY.

' SIGN.

. To all whom it may concern:

for restaurants and for other purposes.

In the accompanylng drawings, Figure 1 is a front view, artly brokenaway, of part of a sign embo 'ng my invention; Fig. 2, a cross-sectiontereof, showin the characters in position; and Fig. 3, a simi ar sectionshowing one of the characters partly withdrawn.

'The back late a of the sign is rovided with a suita le number ofparalle rails (1. Each of these rails has an upper groove a and a lowergroove b, the former being deeper than the latter. i The tablets e,bearing the letters or characters f to be displayed, are of a heightless than the distaircebetween the webs of two adjoining rails d. Thusby Specification of Letters Patent.

Application filed March 28, 1906. Serial No. 307,661.

Patented Oct. 30, 1906.

slightly lifting a tablet through a suctioncup g or otherwise, Fig. 3,its lower edge may be raised above lower rail d, so that the tablet maybe readily tilted forward prior to its removal. To prevent tampering,the upper groove a contains above tablet e a key 8, com osed of a stripof Wood, a string, or similar evice extending along the entire lengthof'the, sign. This key may be locked to the si n-board in suitablemanner and must be withdrawn before the tablet can be tilted.

What I claim is- A sign provided with an upper rail .having a groove, alower rail having a groove of less depth than that of the up or rail, atablet removably engaging the rai s and shorter than the distancebetween the rail-webs, and a removable key between the tablet and theupper rail, substantially as specified.

Signed by me at Dusseldorf, Germany, this 3d day of March, 1906. v

f WILLIAM ESSENWEIN, P. LIEBER.

